Not too long ago I was quite taken aback when Facebook suggested I send birthday greetings to a friend — who had recently died. It all seemed so creepy and disturbing. Of course, I'm not the only one who has had this experience. More than 30 million Facebook members have died, creating all kinds of post-mortem issues. Read on

We've all heard warnings from police about how Facebook posts — especially of people on vacation — can alert thieves to homes that are vulnerable to burglary. Well now Instagram has joined the club. Read on

What we say via dark social might be more honest, with less of a filter on it, researchers say. That provides richer and more accurate information for advertisers and brands to learn from, if they can access dark social. Read on

You may remember that last year Facebook paid $22 billion for WhatsApp, the popular mobile messaging service. Compared to the $1 billion Facebook paid for Instagram, it may seem that Mr. Zuckerberg overpaid for WhatsApp. But following a recent announcement it sounds like it still may be too early to tell. Read on

Millions of social media liars are only fooling themselves. Psychologists have discovered that "digital amnesia" is a side effect of lying on social media and essentially, it entails forgetting the truth and actually believing the lies. Read on